The reception for Finland's Independence Day is rudely interrupted when the presidential palace is attacked and the state leadership is taken hostage. Max Tanner of the Security Police is appointed as a negotiator in the hostage crisis, that unfolds as part of a bigger plan to undermine European security.

Former mafia boss Mart wants to live a quiet life with his family in a country home. He is not allowed that luxury. He decides to ask for help from Ahto, who has founded a detective agency. Once again, cooperation with the police is started in order to jointly expose the criminal group.